The TWiV hosts review persistence of Ebola virus after the end of the Liberian outbreak, and the potential role of two herpesviruses in the pathogenesis of Alzheimer’s disease.

Vincent, Dickson, and Rich discuss multipotent progenitor bone marrow cells as a reservoir of HIV-1, integration of HHV-6 into telomeres, and dispersal of West Nile virus across the US by mosquitoes.